CH631315GA3 - - Google Patents
Download PDFInfo
- Publication number
- CH631315GA3 CH631315GA3 CH949778A CH949778A CH631315GA3 CH 631315G A3 CH631315G A3 CH 631315GA3 CH 949778 A CH949778 A CH 949778A CH 949778 A CH949778 A CH 949778A CH 631315G A3 CH631315G A3 CH 631315GA3
- Authority
- CH
- Switzerland
- Prior art keywords
- frequency
- temperature
- oscillations
- oscillator
- derived therefrom
- Prior art date
Links
- 230000010355 oscillation Effects 0.000 abstract 3
- 230000035559 beat frequency Effects 0.000 abstract 2
- 239000010453 quartz Substances 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G3/00—Producing timing pulses
- G04G3/02—Circuits for deriving low frequency timing pulses from pulses of higher frequency
- G04G3/027—Circuits for deriving low frequency timing pulses from pulses of higher frequency by combining pulse-trains of different frequencies, e.g. obtained from two independent oscillators or from a common oscillator by means of different frequency dividing ratios
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
- G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
- G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Adornments (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10849477A JPS5441773A (en) | 1977-09-09 | 1977-09-09 | Electronic watch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CH631315B CH631315B (fr) | |
| CH631315GA3 true CH631315GA3 (fr) | 1982-08-13 |
Family
ID=14486188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH949778A CH631315B (fr) | 1977-09-09 | 1978-09-11 | Piece d'horlogerie electronique, notamment montre-bracelet electronique. |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5441773A (fr) |
| CH (1) | CH631315B (fr) |
| GB (1) | GB2004155B (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH621680B (de) * | 1979-05-22 | Suisse Horlogerie | Oszillator mit temperaturkompensation. | |
| US4464061A (en) * | 1979-12-20 | 1984-08-07 | Ricoh Watch Co., Ltd. | Linearizer circuit and an electronic watch incorporating same |
| CH626500B (de) * | 1980-01-10 | Suisse Horlogerie | Oszillator mit digitaler temperaturkompensation. | |
| JPS57578A (en) * | 1980-06-03 | 1982-01-05 | Seiko Epson Corp | Electronic timepiece |
| CH650122GA3 (fr) * | 1981-12-17 | 1985-07-15 | ||
| US5428315A (en) * | 1985-01-22 | 1995-06-27 | The United States Of America As Represented By The Secreatry Of The Army | Method of making radiation hardened quartz crystal oscillators |
-
1977
- 1977-09-09 JP JP10849477A patent/JPS5441773A/ja active Pending
-
1978
- 1978-09-07 GB GB7835983A patent/GB2004155B/en not_active Expired
- 1978-09-11 CH CH949778A patent/CH631315B/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5441773A (en) | 1979-04-03 |
| GB2004155A (en) | 1979-03-21 |
| GB2004155B (en) | 1982-03-17 |
| CH631315B (fr) |
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